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Quantum Entanglement Demonstrated Aboard Orbiting CubeSat

posted by martyb on Saturday June 27 2020, @03:45AM   Printer-friendly
from the what-did-you-say? dept.

Phoenix666 writes:

Quantum Entanglement Demonstrated Aboard Orbiting CubeSat:

In a critical step toward creating a global quantum communications network, researchers have generated and detected quantum entanglement onboard a CubeSat nanosatellite weighing less than 2.6 kilograms and orbiting the Earth.

[...] The researchers incorporated their new instrument into SpooQy-1, a CubeSat that was deployed into orbit from the International Space Station on 17 June 2019. The instrument successfully generated entangled photon-pairs over temperatures from 16 °C to 21.5 °C.

"This demonstration showed that miniaturized entanglement technology can work well while consuming little power," said Villar. "This is an important step toward a cost-effective approach to the deployment of satellite constellations that can serve global quantum networks." The project was funded by Singapore's National Research Foundation.

Journal Reference:
Aitor Villar, Alexander Lohrmann, Xueliang Bai, et al. Entanglement demonstration on board a nano-satellite [open], Optica (DOI: 10.1364/OPTICA.387306)

Secure, as long as you trust the man in the middle...

Original Submission

 
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  • (Score: 3, Interesting) by pvanhoof on Saturday June 27 2020, @06:41AM (2 children)

    by pvanhoof (4638) on Saturday June 27 2020, @06:41AM (#1013163) Homepage

    The quantum 'encryption' over CubeSat entanglement mini-HOWTO
    v0.0.1, Jun 27 2020
    ---
    How to get quantum 'encryption' using CubeSat entanglement working
    ---
    1. Disclaimer
    2. Creating a one time pad
    3. Distributing one side of the one time pad over conventional network
    4. Distributing the other side of the one time pad over CubeSat entanglement
    5. Using the two sides at the receiving end to recreate the message

    Starting Score:    1  point
    Moderation   +1  
       Interesting=1, Total=1
    Extra 'Interesting' Modifier   0  
    Karma-Bonus Modifier   +1  
    Total Score:   3  

  • (Score: 0) by Anonymous Coward on Saturday June 27 2020, @06:57AM (1 child)

    by Anonymous Coward on Saturday June 27 2020, @06:57AM (#1013167)

    6. Unsubscribe.

    • (Score: 2) by pvanhoof on Saturday June 27 2020, @07:41AM

      by pvanhoof (4638) on Saturday June 27 2020, @07:41AM (#1013174) Homepage

      That 6. makes 1. and 4. secure, which is not OK for the three letter agencies. I was asked to redact that out of my mini-HOWTO.